What is a solution? A solution is an answer to a problem. OR A solution is a homogenous mixture of 2 or more substances.
Solutions have two parts to them… Solute: the substance that is being dissolved. Ex: SALT (NaCl), Chocolate! Solvent: the substance that is doing the dissolving Ex:WATER , Milk
WATER Water is known as the Universal Solvent It is known as this because of polarity The hydrogens have a partially positive charge The oxygen has a partially negative charge
More Water When water acts as the solvent the process is called hydration. When you are deHYDRATED that means you haven’t had enough WATER
Solvation If another substance acts as the solvent the process is called solvation, which means the solvent surrounds the solute and pulls it apart making it dissolve.
Concentration and Solubility A solution can be measured by its concentration. There are three basic measurements of solubility.
Saturated Solutions Saturated means the solution contains the maximum amount of solute that can be dissolved in a solution.
Supersaturated Solutions Supersaturated means the solution contains more than the maximum amount of solute that can be dissolved in the solution.
Unsaturated Solutions An unsaturated solution means it contains very little solute.
Saturated UN Saturated SUPER saturated
To dissolve or not to dissolve…. Not all solutes are able to dissolve in solvents If a solute DOES NOT dissolve is a solvent it is called immiscible If a solute DOES dissolve in a solvent it is called miscible http://www.youtube.com/watch?v=ek6CVVJk4OQ